package thread;

import com.sun.xml.internal.ws.api.model.wsdl.WSDLOutput;
import sun.nio.ch.ThreadPool;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ThreadPoolDemo {
    public static void main(String[] args) {
        ExecutorService threadPool = Executors.newFixedThreadPool(3);
        for (int i = 0; i < 5; i++) {
               Runnable r= () -> {
                    try {
                        Thread t = Thread.currentThread();
                        System.out.println(t.getName() + "正在执行任务...");
                        Thread.sleep(5000);
                        System.out.println(t.getName() + "执行完毕");

                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                };
                threadPool.execute(r);
            System.out.println("将一个任务交给了线程池");
            }
        threadPool.shutdown();
        //threadPool.shutdownNow();
        System.out.println("停止执行任务");
        }
    }